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power management - Sound system is eating ... - Ask …
https://askubuntu.com/questions/66761/sound-system-is-eating-away-the-battery
Either the sound driver doesn't support power management or it's not enabled. I've no idea what IDT is, but you can enable power management, for example, for an Intel sound device. The older versions of PowerTop used to suggest it, but the newer one has a menu you can navigate with left/right arrow key - Tunables is the entry you want.
Install All Media Codecs in Ubuntu With a Single Command
https://itsfoss.com/install-media-codecs-ubuntu/
Just press tab and it will highlight the options. When the correct options are highlighted, press enter to confirm your selection. Press Tab key to highlight Yes and press Enter key. Once the process finishes, you should be able to play MP3 and other media formats thanks to newly installed media codecs.
Install Multimedia Codecs Ubuntu 20.04 LTS - Linux Hint
https://linuxhint.com/install_multimedia_codecs_ubuntu/
By default, multimedia codecs are not installed on Ubuntu 20.04 LTS. As you can see, I am not able to play the video file Big Buck Bunny-720.mp4 with the default Ubuntu 20.04 LTS Videos app. Once you install the multimedia codecs, you will be able to play any videos/audios with any video/audio player on Ubuntu 20.04 LTS.
Dynamic Audio Power Management for Portable Devices …
https://www.kernel.org/doc/html/v5.16/sound/soc/dapm.html
DAPM makes power switching decisions based upon any audio stream (capture/playback) activity and audio mixer settings within the device. DAPM spans the whole machine. It covers power control within the entire audio subsystem, this includes internal codec power blocks and machine level power systems. There are 4 power domains within DAPM
How to disable all power management in Ubuntu 18.04 …
https://askubuntu.com/questions/1154207/how-to-disable-all-power-management-in-ubuntu-18-04-lts-via-terminal
OK so try this ... APM (Automatic Power Management) is ON IN THE BIOS or at a lower base level. a strange solution That for now is working, is to edit grub with the APM=OFF parameter. To do this. Open the Grub file: sudo gedit /etc/default/grub add the apm=off to a line that will look like this: GRUB_CMDLINE_LINUX_DEFAULT="acpi=off apm=off"
Disable HDMI sound out, for decrease power ... - Ask Ubuntu
https://askubuntu.com/questions/270312/disable-hdmi-sound-out-for-decrease-power-consumption
I have Ubuntu 12.04 on my laptop I'm looking for a way to decrease power consumption. This is output of powertop command. Power est. Usage Events/s Category Description 1.30 W 100.0% Device Audio codec hwC0D0: Realtek. I googled a little and find this 100.0% usage related to digital output through HDMI port.
Testing The Power Management Of Ubuntu 10.04 - Phoronix
https://www.phoronix.com/scan.php?page=article&item=ubuntu_lucid_pmutils&num=1
As mentioned on the mailing list by Ubuntu developer Chase Douglas, the updated pm-utils-powersave-policy package brings several new features that are flipped on once the Ubuntu-powered system is running off battery power. These power saving measures include a ten-second audio codec power down, a one-minute console screen power-save timeout, a sixty …
Is Fixing Power Management section applicable for natively ...
https://www.reddit.com/r/hackintosh/comments/sl0fpe/is_fixing_power_management_section_applicable_for/
Hardware: CPU: i7 10700k GPU: iGPU UHD 630 RAM: 16GB Corsair 2133 Mhz Dual Channel Motherboard model: Gigabyte z490M Audio Codec: ALC887-VD Ethernet …
How to disable the power saving for snd_hda_codec_realtek?
https://unix.stackexchange.com/questions/565886/how-to-disable-the-power-saving-for-snd-hda-codec-realtek
Due to the default power managment the power saving state switches on and off on a regular basis, resulting in noticable "click" sounds when the codec gets switched back on to full power. This is pretty annoying, e.g. when visiting websites with an embedded audio element - it makes an audible click every time through the speakers.
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